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IMGT reference sequences in FASTA format:

Amino acid sequences without gaps

The FASTA header contains:
IMGT accession number | gene and allele name | species | functionality | exon name | domain name | domain type | alternative splicing (if it is) | partial (if it is) 
>M18222|CD3G*01|Mus musculus|F|EX1|
MEQRKGLAGLFLVISLLQ
>M18223|CD3G*01|Mus musculus|F|[D]|EX2|C-LIKE|
GTVAQTNK
>M18224|CD3G*01|Mus musculus|F|[D]|EX3|C-LIKE|
AKNLVQVDGSRGDGSVLLTCGLTDKTIKWLKDGSIISPLNATKNTWNLGNNAKDPRGTYQ
CQGAKETSNPLQVYYR
>M18225|CD3G*01|Mus musculus|F|EX4|
MCENCIELNIGTISGFIFAEVISIFFLALGVYLIAGQDGVRQSR
>M18226|CD3G*01|Mus musculus|F|EX5|
ASDKQTLLQNEQLYQ
>M18227|CD3G*01|Mus musculus|F|EX6|
PLKDREYDQYSHLQGNQLRKK
>CD3G*01|Mus musculus|F|EX1-EX6|Splicing A|complete|
MEQRKGLAGLFLVISLLQGTVAQTNKAKNLVQVDGSRGDGSVLLTCGLTDKTIKWLKDGS
IISPLNATKNTWNLGNNAKDPRGTYQCQGAKETSNPLQVYYRMCENCIELNIGTISGFIF
AEVISIFFLALGVYLIAGQDGVRQSRASDKQTLLQNEQLYQPLKDREYDQYSHLQGNQLR
KK*
>M58149|CD3G*02|Mus musculus|F|EX1|
MEQRKGLAGLFLVMSLLQ
>M58149|CD3G*02|Mus musculus|F|[D]|EX2|C-LIKE|
GTVAQTNK
>M58149|CD3G*02|Mus musculus|F|[D]|EX3|C-LIKE|
AKNLVQVDGSRGDGSVLLTCGLTDKTIKWLKDGSIISPLNATKNTWNLGNNAKDPRGTYQ
CQGAKETSNPLQVYYR
>M58149|CD3G*02|Mus musculus|F|EX4|
MCENCIELNIGTISGFIFAEVISIFFLALGVYLIAGQDGVRQSR
>M58149|CD3G*02|Mus musculus|F|EX5|
ASDKQTLLQNEQLYQ
>M58149|CD3G*02|Mus musculus|F|EX6|
PLKDREYDQYSHLQGNQLRKK
>CD3G*02|Mus musculus|F|EX1-EX6|Splicing A|complete|
MEQRKGLAGLFLVMSLLQGTVAQTNKAKNLVQVDGSRGDGSVLLTCGLTDKTIKWLKDGS
IISPLNATKNTWNLGNNAKDPRGTYQCQGAKETSNPLQVYYRMCENCIELNIGTISGFIF
AEVISIFFLALGVYLIAGQDGVRQSRASDKQTLLQNEQLYQPLKDREYDQYSHLQGNQLR
KK*